Obtaining Transfer Function using Block Diagram Reduction
Original circuit:
Enter resultant gain value for two blocks are in series:
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Hint - Two blocks are in series
Step 2:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Enter resultant gain value for two blocks are in Parallel:
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Required circuit:
Step 3:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Enter resultant gain value moving the take of point to right :
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Hint - Shift the branch point towards right
Required circuit :
1. Two parallel blocks' total transfer functions are
(Choose 1 answer)
Sum of individual gain
Difference of individual gain
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2. The cause of oscillations in the output response is
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Positive feedback
Negative feedback
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3. What are the lines that connect the blocks in a block diagram called?
(Choose 1 answer)
Branches
Nodes
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Step 4:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Enter resultant gain value for two blocks are in series :
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Hint
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Hint - Two blocks are in series
Required circuit:
Step 5:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Enter resultant gain value for two blocks are in series :
Submit
Hint
Next
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Hint - Two blocks are in series
Required circuit:
Step 6:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Enter resultant gain value for moving the summing point to left :
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Hint - Shift the Summing point towards left
Required circuit :
Step 7:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Enter resultant gain value for repeated two blocks are in series:
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Hint - Two blocks are in series
Required circuit:
Step 8:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Enter resultant gain value for two blocks are in series :
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Hint
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Hint - Two blocks are in series
Riquired circuit:
Step 9:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Mention the two summing points to be interchanged (Assume the summing point numbers 1,2,3 in sequence from left to right) :
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Hint - Summing point 1 & 2
Riquired circuit:
Step 10:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Enter resultant gain value for eliminating the feedback loop1 :
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Hint - Summing point 1 & 2
Riquired circuit:
Step 11:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Enter resultant gain value for eliminating the feedback loop2 :
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Hint - There is a negative feedback loop.
Riquired circuit:
Original circuit:
Step 12:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Enter resultant gain value for blocks are in series :
Submit
Hint
Next
Show answer
Hint - Two blocks are in series.
Riquired circuit:
Final step:
Refer to the unsimplified circuit and the value so that the logic of the circuit remains same but it gets simplified.
Enter resultant gain value for eliminating the feedback loop :
Submit
Hint
Next
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Hint - There is a negative feedback loop.
Riquired circuit:
Final step:
Enter the overall gain value :
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Finish
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Original circuit:
Final circuit:
